<template>
  <div class="mod-config">
    <div v-if="bookinfos">
      <el-form :inline="true" :model="dataForm" @keyup.enter.native="getDataList()">
        <el-form-item>
          <el-button type="primary" @click="returnList()">返回书籍列表</el-button>
          <el-button type="primary" @click="addOrUpdateHandle()">新增</el-button>
          <el-button
            type="danger"
            @click="deleteHandle()"
            :disabled="dataListSelections.length <= 0"
          >批量删除</el-button>
        </el-form-item>
      </el-form>
      <el-table
        :data="dataList"
        border
        v-loading="dataListLoading"
        @selection-change="selectionChangeHandle"
        style="width: 100%;"
      >
        <el-table-column type="selection" header-align="center" align="center" width="50"></el-table-column>
        <!-- <el-table-column
        prop="id"
        header-align="center"
        align="center"
        label="章节编号id">
        </el-table-column>-->
        <el-table-column prop="bookName" header-align="center" align="center" label="书籍名称"></el-table-column>
        <el-table-column prop="chapterName" header-align="center" align="center" label="章节名称"></el-table-column>
        <el-table-column prop="chapterNo" header-align="center" align="center" label="章节编号"></el-table-column>
        <el-table-column prop="chapterVisit" header-align="center" align="center" label="配置播放量"></el-table-column>
        <el-table-column prop="videoCover" header-align="center" align="center" label="视频封面" v-if="hasVideo==1">
           <template slot-scope="scope">
             <img :src="scope.row.videoCover" style="width:50px">
           </template>
        </el-table-column>
        <el-table-column prop="videoView" header-align="center" align="center" label="视频播放量" v-if="hasVideo==1">
          <template slot-scope="scope">
              <div v-if="scope.row.videoView==null">0</div>
              <div v-else>{{scope.row.videoView}}</div>
          </template>
        </el-table-column>
        <el-table-column prop="gmtCreated" header-align="center" align="center" label="最后更新时间"></el-table-column>
        <el-table-column prop="gmtUpdate" header-align="center" align="center" label="创建时间"></el-table-column>
        <el-table-column fixed="right" header-align="center" align="center" width="150" label="操作">
          <template slot-scope="scope">
            <el-button type="text" size="small" @click="seebookChapter(scope.row.id)">查看</el-button>
            <el-button type="text" size="small" @click="addOrUpdateHandle(scope.row.id)">修改</el-button>
            <el-button type="text" size="small" @click="deleteHandle(scope.row.id)">删除</el-button>
          </template>
        </el-table-column>
      </el-table>
      <el-pagination
        @size-change="sizeChangeHandle"
        @current-change="currentChangeHandle"
        :current-page="pageIndex"
        :page-sizes="[10, 20, 50, 100]"
        :page-size="pageSize"
        :total="totalPage"
        layout="total, sizes, prev, pager, next, jumper"
      ></el-pagination>
      <!-- 弹窗, 新增 / 修改 -->
      <add-or-update v-if="addOrUpdateVisible" ref="addOrUpdate" @refreshDataList="init"></add-or-update>
      <!-- 查看 -->
      <book-capter v-if="captersee" ref="captersees" @refreshDataList="init"></book-capter>
    </div>
  </div>
</template>

<script>
import AddOrUpdate from "./bookchapter-add-or-update";
import BookInfo from "./bookinfo.vue";
import BookCapter from "./bookcapter-see";
export default {
  data() {
    return {
      dataForm: {
        key: "",
        id: ""
      },

      dataList: [],
      pageIndex: 1,
      pageSize: 10,
      totalPage: 0,
      dataListLoading: false,
      dataListSelections: [],
      addOrUpdateVisible: false,
      captersee: false,
      bookinfos: true
    };
  },
  components: {
    AddOrUpdate,
    BookInfo,
    BookCapter
  },
  // activated () {
  //   this.init();

  // },
  props: ["id","hasVideo"],
  watch: {
    bookId() {
      return this.id;
    },
    hasVideo(){
       return this.hasVideo;
    }
  },
  mounted() {
    this.init();
  },
  methods: {
    // 获取数据列表
    init() {
      this.$http({
        url: this.$http.adornUrl("/course/bookchapter/list"),
        method: "get",
        params: this.$http.adornParams({
          page: this.pageIndex,
          limit: this.pageSize,
          key: this.dataForm.key,
          bookId: this.id
        })
      }).then(({ data }) => {
        if (data && data.code === 0) {
          this.dataList = data.page.list;
          this.totalPage = data.page.totalCount;
          var sortObj = this.dataList.sort(sorting("chapterNo"));
        } else {
          this.dataList = [];
          this.totalPage = 0;
        }
        this.dataListLoading = false;
      });
    },
    // 每页数
    sizeChangeHandle(val) {
      this.pageSize = val;
      this.pageIndex = 1;
      this.init();
    },
    // 当前页
    currentChangeHandle(val) {
      this.pageIndex = val;
      this.init();
    },
    // 多选
    selectionChangeHandle(val) {
      this.dataListSelections = val;
    },
    // 新增 / 修改
    addOrUpdateHandle(id) {
      this.addOrUpdateVisible = true;
      console.log(id); //20
      let obj = {};
      if (id) {
        obj.id = id;
      }
      obj.bookId = this.id;
      obj.hasVideo = this.hasVideo;
      this.$nextTick(() => {
        this.$refs.addOrUpdate.init(obj);
      });
    },
    //查看
    seebookChapter(id) {
      this.captersee = true;
      let obj = {};
      obj.id = id;
      obj.hasVideo = this.hasVideo;
      this.$nextTick(() => {
      this.$refs.captersees.init(obj);
      });
    },
    // 删除
    deleteHandle(id) {
      var ids = id
        ? [id]
        : this.dataListSelections.map(item => {
            return item.id;
          });
      this.$confirm(
        `确定对[id=${ids.join(",")}]进行[${id ? "删除" : "批量删除"}]操作?`,
        "提示",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }
      ).then(() => {
        this.$http({
          url: this.$http.adornUrl("/course/bookchapter/delete"),
          method: "post",
          data: this.$http.adornData(ids, false)
        }).then(({ data }) => {
          if (data && data.code === 0) {
            this.$message({
              message: "操作成功",
              type: "success",
              duration: 1500,
              onClose: () => {
                this.init(this.dataForm.id);
              }
            });
          } else {
            this.$message.error(data.msg);
          }
        });
      });
    },
    returnList() {
      this.$emit("goBack");
    }
  }
};
// 排序
function sorting(min) {
  return function(obj1, obj2) {
    var value1 = obj1[min];
    var value2 = obj2[min];
    return value1 - value2;
  };
}
</script>
